Upgrade your AR15/M16 with the Collapsible FAB-DEFENSE GL-SHOCK Buttstock, designed for versatility, durability, and comfort. This high-performance buttstock features an adjustable length, a user-friendly cheek rest, and a patented anti-rattle mechanism for a secure fit.
Compatible with MIL-SPEC and commercial buffer tubes, it ensures seamless integration. Built for practicality, it includes a water-resistant storage compartment for two CR123 or AA batteries. Whether you’re on the range or in the field, the GL-SHOCK delivers enhanced control and stability.
Crafted from fiberglass-reinforced polymer composite, this buttstock is lightweight yet tough enough for demanding situations. Experience superior performance with exceptional ergonomic design.
Perfect for tactical use or recreational shooting, the Collapsible FAB-DEFENSE GL-SHOCK Buttstock is engineered for performance and reliability.
FAB-DEFENSE GL-SHOCK Buttstock – Features:
Uniquely designed rubber butt pad for fast and stable shoulder positioning
Unique patented “Anti-Rattle” mechanism, fits perfectly on MIL-SPEC and commercial after-market buffer tubes
Three Integrated Slots for Sling Attachment, One in the Front and Two at the Rear
Two Ambidextrous Metal Quick Release Rear Sling Mount Points
Water-resistant anti rattle storage compartment for two CR123 or AA batteries
Maintains Contour & Size of Original Design
Made from fiberglass reinforced polymer composite
Available in the GPCP Version with an Adjustable Cheek Rest & Dual Picatinny Raills, or in the Standard GCP Version with an Adjustable Cheek Rest.
Compatibility
This product is compatible with a wide variety of long weapons, such as M4, M16, VZ.58, Mossberg / Maverick 88, Heckler & Koch, AK, IMI / IWI, and many others.
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Shipping & Returns
Domestic Shipping – For orders shipping within the USA*
Shipping Option
Cost
Delivery Time
Free Shipping – Regular Registered Shipping –
*Please note there is no option of adding Insurance protection to this form of shipping
FREE For orders above 199$ 12.95$ For orders below 199$
8-16 Business Days
Priority Shipping
14.95$ for orders Above 199$
17.95$ For orders under 199$
4-12 Business days
Express Shipping (UPS)
Cost will depend on the destination of the package (calculated shipping cost can be seen at checkout)
3-6 Business days
* For qualified orders. If an item is not available in our US warehouse it will be shipped from Israel (in this case the delivery times may be slightly longer).
International Shipping – For orders shipping outside USA
Free Shipping – Regular Registered Shipping –
*Please note there is no option of adding Insurance protection to this form of shipping
FREE For orders above 199$
12.95$ For orders below 199$
14-35 Business days
Priority (Eco Post)
14.95$ for orders Above 199$
17.95$ For orders under 199$
8-18 Business days
Express Shipping
Cost will depend on the destination of the package (calculated shipping cost can be seen at checkout)
3-8 Business days
*International TDI shipments – Orders shipping outside of the US will be shipped via USPS / UPS for a fee of 25$ (shipping cost can be seen at checkout).
Returns & Exchanges
All return claims must be made not more than 7 days after the item has been received.
Returns must be sent back within 30 days after delivery.
Exchanges are subject to product availability and may be subject to additional shipping fees.
To be eligible for a return or exchange, the item must be in its original condition, unused, and with all original tags and packaging.
You may return your item within 30 days from the day it was delivered to you in order to receive a refund. Please notify us of your intent to return the item within 7 days of receiving it. The item must be in its original condition and packaging. Shipping costs are non-refundable. For full return details, click here to view our complete return policy.
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